Also use outer-function name as a ZONE_NAME instead of file:line
and give explicit names to parser and preparser zones.

Bug: v8:10572
Change-Id: I9b5acb23322889d8538a34bc888fd6f610eb6893
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2322627
Commit-Queue: Igor Sheludko <ishell@chromium.org>
Reviewed-by: Camillo Bruni <cbruni@chromium.org>
Reviewed-by: Leszek Swirski <leszeks@chromium.org>
Cr-Commit-Position: refs/heads/master@{#69104}

... collected via --trace-zone-stats flag or v8.zone_stats trace
category.

This is an initial version inspired by heap-stats UI.

Bug: v8:10572
Change-Id: Ib87cf0b4e120bc99683227eef02668a2a5c3d594
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2226855Reviewed-by: Camillo Bruni <cbruni@chromium.org>
Commit-Queue: Igor Sheludko <ishell@chromium.org>
Cr-Commit-Position: refs/heads/master@{#68133}

Use Oboe.js streaming JSON parser for reading tracing file which
provides the following advantages:
1) streaming parsing allows keeping alive only relevant entries which
   should consume less memory when parsing of huge files (although
   currently the whole file is kept in memory anyway),
2) avoids the need to sanitize tracing file

Bug: v8:10155
Change-Id: Id5268264a610eff804672d09b3e9f3ac353b67de
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2120542
Commit-Queue: Igor Sheludko <ishell@chromium.org>
Reviewed-by: Camillo Bruni <cbruni@chromium.org>
Cr-Commit-Position: refs/heads/master@{#66888}

... to make it work from any location.

Bug: v8:10155
Change-Id: I4b949ed6fde0b38a92c1c1ab57eba0cf0f007b6c
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2116034
Auto-Submit: Igor Sheludko <ishell@chromium.org>
Reviewed-by: Camillo Bruni <cbruni@chromium.org>
Commit-Queue: Camillo Bruni <cbruni@chromium.org>
Cr-Commit-Position: refs/heads/master@{#66835}

Don't use deprecated HTML Imports, directly fetch the template files from
html instead.

Bug: v8:10155
Change-Id: Ic85a8b2cf227231fc6abf5adca6f1f144bf728f2
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2113371Reviewed-by: Camillo Bruni <cbruni@chromium.org>
Commit-Queue: Igor Sheludko <ishell@chromium.org>
Cr-Commit-Position: refs/heads/master@{#66825}

No-Try: true
Change-Id: I078279bef7141c0255025efebfd3a39a57fc3bf7
Reviewed-on: https://chromium-review.googlesource.com/c/1345149Reviewed-by: Michael Lippautz <mlippautz@chromium.org>
Commit-Queue: Camillo Bruni <cbruni@chromium.org>
Cr-Commit-Position: refs/heads/master@{#57674}

- Provide sorted instance type contribution per GC
- Visualize percentages per InstanceType based on the selected GC
- Visualize percentags per category
- Use some more arrow functions
- Introduce helper.js file

Bug: v8:7266
Change-Id: I26099cc64d9545b2de9e4574da2faf52d54ad198
No-Try: true
Reviewed-on: https://chromium-review.googlesource.com/949222
Commit-Queue: Camillo Bruni <cbruni@chromium.org>
Reviewed-by: Michael Lippautz <mlippautz@chromium.org>
Cr-Commit-Position: refs/heads/master@{#51743}

- Categorize more instance types
- Fix GC selection dropdown labels
- Show GC times in seconds
- Collapse file reader after loading

Bug: v8:7266
Change-Id: If967ebdb887105e808cfc8fb3bc92f9da5c91fd2
No-Try: true
Reviewed-on: https://chromium-review.googlesource.com/945908Reviewed-by: Michael Lippautz <mlippautz@chromium.org>
Commit-Queue: Camillo Bruni <cbruni@chromium.org>
Cr-Commit-Position: refs/heads/master@{#51690}

- Add busy loader loop
- Drop type attributes as per suggestion
- Hide details view until loading data
- Move instruction below details section

Bug: v8:7266
Change-Id: If37699243e935a4918a4a7f7968553c2ba490c67
No-try: true
Reviewed-on: https://chromium-review.googlesource.com/916006
Commit-Queue: Camillo Bruni <cbruni@chromium.org>
Reviewed-by: Michael Lippautz <mlippautz@chromium.org>
Cr-Commit-Position: refs/heads/master@{#51283}

No-try: true
Bug: v8:7266
Change-Id: I9ca2036a54c55c754cc2bb69dcca6157f88ea0fa
Reviewed-on: https://chromium-review.googlesource.com/880960Reviewed-by: Ulan Degenbaev <ulan@chromium.org>
Commit-Queue: Michael Lippautz <mlippautz@chromium.org>
Cr-Commit-Position: refs/heads/master@{#50807}

No-try: true
Bug: v8:7266
Change-Id: I8b8ec94c1909e7404774afd576968cf843c043ff
Reviewed-on: https://chromium-review.googlesource.com/873033Reviewed-by: Camillo Bruni <cbruni@chromium.org>
Commit-Queue: Michael Lippautz <mlippautz@chromium.org>
Cr-Commit-Position: refs/heads/master@{#50673}

Allow exporting the current selection as CSV.

No-try: true
Bug: v8:7266
Change-Id: Idd275e749506d2a195a132efa5ec08ebb21ca72f
Reviewed-on: https://chromium-review.googlesource.com/870781Reviewed-by: Camillo Bruni <cbruni@chromium.org>
Commit-Queue: Michael Lippautz <mlippautz@chromium.org>
Cr-Commit-Position: refs/heads/master@{#50668}

Allows reading GC object stats data from an unpacked Chrome trace file.

No-try: true
Bug: v8:7266
Change-Id: I1b851a5b9c5937bd80ae08129d3daee8b4397500
Reviewed-on: https://chromium-review.googlesource.com/868211Reviewed-by: Camillo Bruni <cbruni@chromium.org>
Commit-Queue: Michael Lippautz <mlippautz@chromium.org>
Cr-Commit-Position: refs/heads/master@{#50622}

Visualizes --trace-gc-object-stats output.

No-try: true
Bug: v8:7266
Change-Id: I5beb15d63e645484f07fe5f2341105c4cfe0b550
Reviewed-on: https://chromium-review.googlesource.com/860580
Commit-Queue: Michael Lippautz <mlippautz@chromium.org>
Reviewed-by: Camillo Bruni <cbruni@chromium.org>
Cr-Commit-Position: refs/heads/master@{#50587}